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Single Crystal Sapphire Growth
Namiki produces single crystal sapphire in any desired section shape by EFG Method.
(Edge-defined Film-fed Growth Method)
back Characteristics of Single Crystal Sapphire
Single Crystal Sapphire EFG Method
Sapphire Crystal EFG Method
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Sectional View
Dimensions
Tolerance
Crystal Orientation
Surface Flatness
0.3～300mm
t=0.01～100
±0.005
±2deg
Ra=0.0001μm
0.3～300mm
±0.005
C Axis in
5μm
O.D:Max.Φ100mm
±0.005
-
5μm
I.D:Min.Φ2.0mm
±0.002
-
5μm
Offer any desired
sectional shape.
-
C Axis in
5μm

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